/*
- silcpayload.c
+ silcargument.c
- Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
+ Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 2000 Pekka Riikonen
+ Copyright (C) 2001 Pekka Riikonen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
+ the Free Software Foundation; version 2 of the License.
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
-/* Implementation of generic payloads described in the protocol
- specification drafts. */
+/* Implementation of Argument Payload routines */
/* $Id$ */
#include "silcincludes.h"
-#include "silcpayload.h"
-
-/******************************************************************************
-
- ID Payload
-
-******************************************************************************/
-
-struct SilcIDPayloadStruct {
- SilcIdType type;
- uint16 len;
- unsigned char *id;
-};
-
-/* Parses buffer and return ID payload into payload structure */
-
-SilcIDPayload silc_id_payload_parse(const unsigned char *payload,
- uint32 payload_len)
-{
- SilcBufferStruct buffer;
- SilcIDPayload new;
- int ret;
-
- SILC_LOG_DEBUG(("Parsing ID payload"));
-
- silc_buffer_set(&buffer, (unsigned char *)payload, payload_len);
- new = silc_calloc(1, sizeof(*new));
-
- ret = silc_buffer_unformat(&buffer,
- SILC_STR_UI_SHORT(&new->type),
- SILC_STR_UI_SHORT(&new->len),
- SILC_STR_END);
- if (ret == -1)
- goto err;
-
- silc_buffer_pull(&buffer, 4);
-
- if (new->len > buffer.len)
- goto err;
-
- ret = silc_buffer_unformat(&buffer,
- SILC_STR_UI_XNSTRING_ALLOC(&new->id, new->len),
- SILC_STR_END);
- if (ret == -1)
- goto err;
-
- silc_buffer_push(&buffer, 4);
-
- return new;
-
- err:
- silc_free(new);
- return NULL;
-}
-
-/* Return the ID directly from the raw payload data. */
-
-void *silc_id_payload_parse_id(const unsigned char *data, uint32 len)
-{
- SilcBufferStruct buffer;
- SilcIdType type;
- uint16 idlen;
- unsigned char *id_data = NULL;
- int ret;
- void *id;
-
- silc_buffer_set(&buffer, (unsigned char *)data, len);
- ret = silc_buffer_unformat(&buffer,
- SILC_STR_UI_SHORT(&type),
- SILC_STR_UI_SHORT(&idlen),
- SILC_STR_END);
- if (ret == -1)
- goto err;
-
- silc_buffer_pull(&buffer, 4);
-
- if (idlen > buffer.len)
- goto err;
-
- ret = silc_buffer_unformat(&buffer,
- SILC_STR_UI_XNSTRING_ALLOC(&id_data, idlen),
- SILC_STR_END);
- if (ret == -1)
- goto err;
-
- id = silc_id_str2id(id_data, idlen, type);
- silc_free(id_data);
- return id;
-
- err:
- return NULL;
-}
-
-/* Encodes ID Payload */
-
-SilcBuffer silc_id_payload_encode(const void *id, SilcIdType type)
-{
- SilcBuffer buffer;
- unsigned char *id_data;
- uint32 len;
-
- id_data = silc_id_id2str(id, type);
- len = silc_id_get_len(id, type);
- buffer = silc_id_payload_encode_data((const unsigned char *)id_data,
- len, type);
- silc_free(id_data);
- return buffer;
-}
-
-SilcBuffer silc_id_payload_encode_data(const unsigned char *id,
- uint32 id_len, SilcIdType type)
-{
- SilcBuffer buffer;
-
- SILC_LOG_DEBUG(("Encoding %s ID payload",
- type == SILC_ID_CLIENT ? "Client" :
- type == SILC_ID_SERVER ? "Server" : "Channel"));
-
- buffer = silc_buffer_alloc(4 + id_len);
- silc_buffer_pull_tail(buffer, SILC_BUFFER_END(buffer));
- silc_buffer_format(buffer,
- SILC_STR_UI_SHORT(type),
- SILC_STR_UI_SHORT(id_len),
- SILC_STR_UI_XNSTRING(id, id_len),
- SILC_STR_END);
- return buffer;
-}
-
-/* Free ID Payload */
-
-void silc_id_payload_free(SilcIDPayload payload)
-{
- if (payload) {
- silc_free(payload->id);
- silc_free(payload);
- }
-}
-
-/* Get ID type */
-
-SilcIdType silc_id_payload_get_type(SilcIDPayload payload)
-{
- return payload ? payload->type : 0;
-}
-
-/* Get ID */
-
-void *silc_id_payload_get_id(SilcIDPayload payload)
-{
- return payload ? silc_id_str2id(payload->id, payload->len,
- payload->type) : NULL;
-}
-
-/* Get raw ID data. Data is duplicated. */
-
-unsigned char *silc_id_payload_get_data(SilcIDPayload payload)
-{
- unsigned char *ret;
-
- if (!payload)
- return NULL;
-
- ret = silc_calloc(payload->len, sizeof(*ret));
- memcpy(ret, payload->id, payload->len);
- return ret;
-}
-
-/* Get length of ID */
-
-uint32 silc_id_payload_get_len(SilcIDPayload payload)
-{
- return payload ? payload->len : 0;
-}
+#include "silcargument.h"
/******************************************************************************
projects / silc.git / blobdiff